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#£$~~~~^¨¨                  rails                   ¨¨^~~~~$£#
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£££#£$/~^¨ trains  are  so  constructed  that  they ¨^~/$£#£££
#£#££$/~^¨ have to follow a set  path. this path is ¨^~/$££#£#
###£#£/~^¨ called  a "railway", which is  comprised ¨^~/£#£###
##£#£$/~^¨ of two metal rails, hence its  nickname. ¨^~/$£#£##
#$~¨¨¨¨¨¨¨                                          ¨¨¨¨¨¨¨~$#
##£#£$/~^¨ because  the  low  friction  between the ¨^~/$£#£##
##£#£$/~^¨ wheels  of the train and the rail metal, ¨^~/$£#£##
#££$$$/~^¨ there are  limits  for how acute a curve ¨^~/$$$££#
##£#£$/~^¨ can  be, and even  more  so for how much ¨^~/$£#£##
###£#$/~^¨ the  ground  under  the   rails  can  be ¨^~/$#£###
#$$~~~^¨¨¨ sloped. thus a  railway is often not led ¨¨¨^~~~$$#
##$$$~~¨¨¨ on top of  hills, rather through them in ¨¨¨~~$$$##
££#$~~~¨¨¨ tunnels  (if   they   are   large),   or ¨¨¨~~~$#££
££#$~^^^¨¨            artificial chasms.            ¨¨^^^~$#££
###£#£/~^¨                                          ¨^~/£#£###
##£#£$/~^¨ there will be trees on the  side  of the ¨^~/$£#£##
##£#£$/~^¨ rails, but  not too close, or they  will ¨^~/$£#£##
##£#£$/~^¨ be  cut down  by the  railway  janitors. ¨^~/$£#£##
###$//^¨¨¨ there  will  be  plains,  and bodies  of ¨¨¨^//$###
##£#£$/~^¨                  water.                  ¨^~/$£#£##
£##$~¨¨¨¨¨                                          ¨¨¨¨¨~$##£
£#£$~¨¨¨¨¨ trains  go  by  day and by night.  along ¨¨¨¨¨~$£#£
#$~¨¨¨¨¨¨¨       the way, there is information      ¨¨¨¨¨¨¨~$#
##£#£$/~^¨ scattered,  often  put on top of  poles, ¨^~/$£#£##
##£#£$/~^¨ to be interpreted by  the train drivers. ¨^~/$£#£##
##£#£$/~^¨ different  parts  of  the  railway  have ¨^~/$£#£##
#$~¨¨¨¨¨¨¨          different speed limits.         ¨¨¨¨¨¨¨~$#
##£#£$/~^¨                                          ¨^~/$£#£##
##£#£$/~^¨ sometimes, trains have to stop  and wait ¨^~/$£#£##
##£#£$/~^¨ for something to happen, far  away. this ¨^~/$£#£##
##£££$/~^¨ is  signaled  by  red  or green  lights. ¨^~/$£££##
##£#£$/~^¨                                          ¨^~/$£#£##
##£#£$/~^¨                 ########                 ¨^~/$£#£##
#$~^^¨¨¨¨¨                                          ¨¨¨¨¨^^~$#
####£$/~^¨ many people  follow the rails  by  foot. ¨^~/$£####
##$/~^^¨¨¨ often  this  proves  to  be  the shorter ¨¨¨^^~/$##
###££$/~^¨ path between  two  points.  however this ¨^~/$££###
##£#£$/~^¨ is  frowned   upon,  and  very  impolite ¨^~/$£#£##
##$~¨¨¨¨¨¨         toward the train drivers!        ¨¨¨¨¨¨~$##
##£#£$/~^¨                                          ¨^~/$£#£##
#£$$~^¨¨¨¨                                          ¨¨¨¨^~$$£#
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